PROBLEM TO BE SOLVED: To provide adhesion promoters for endodontic sealant compositions for filling and sealing a root canal.SOLUTION: An endodontic composite sealant composition for filling and sealing a root canal comprises: an adhesion promoter comprising a dentin binding functional group； and, in some molecules of the adhesion promoters, a ring-opening reactive functional group, such as epoxy group, and a ring-opening nucleophilic functional group, such as an amino group, the dentin binding functional group comprising a negative charge, a positive charge, an amphoteric charge, or a bipolar charge, and the negative or positive charge comprising a carboxylic acid group, a sulfuric acid group, an amine group, a phosphate group, a quaternary ammonium and sulfonic acid, betaine, and a phosphatidyl choline group, as well as also the adhesion promoter being a compound comprising a repeating structural unit represented by the following formula preferably.SELECTED DRAWING: None【課題】根管を充填および封鎖する歯内シーラント組成物用の接着促進剤の提供。【解決手段】象牙質結合官能基を含む接着促進剤を含み、該接着促進剤の分子の一部に、エポキシ基等の開環反応官能基、アミノ基等の開環求核性官能基を含む、根管の充填および封鎖用の歯内複合シーラント組成物。前記象牙質結合官能基が負電荷、正電荷、両性電荷又は双極性電荷を含み、前記負又は正電荷が、カルボン酸基、硫酸基、アミン基、燐酸基、第四級アンモニウム基及びスルホン酸、ベタイン、ホスファチジルコリン基を含む組成物。亦、前記接着促進剤が、下記式で表される繰り返し構造単位を含む化合物が好ましい、組成物。【選択図】なし
